Re: [PATCH] powerpc/8xx: Map a second 8M text page at startup when needed.

From: Christoph Hellwig
Date: Thu Dec 20 2018 - 03:26:19 EST


On Thu, Dec 20, 2018 at 05:48:25AM +0000, Christophe Leroy wrote:
> Some debug setup like CONFIG_KASAN generate huge
> kernels with text size over the 8M limit.
>
> This patch maps a second 8M page when _einittext is over 8M.

Do we also need a check to generate a useful warning if we ever overflow
the 16MB?